* {
	margin:0px;
	padding:0px;
}
#header{
	margin:40px auto 0 auto;
	font-size:18px;
	font-family: "微软雅黑";
	align:center;
}
#footer{

	font-size:12px;
	font-family: "微软雅黑";
	align:center;
}